1331302231330 has 64 divisors (see below), whose sum is σ = 2616022821888. Its totient is φ = 486370762240.

The previous prime is 1331302231327. The next prime is 1331302231331. The reversal of 1331302231330 is 331322031331.

It is a super-2 number, since 2×1331302231330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331302231295 and 1331302231304.

It is not an unprimeable number, because it can be changed into a prime (1331302231331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1058677 + ... + 1945096.

It is an arithmetic number, because the mean of its divisors is an integer number (40875356592).

Almost surely, 2^{1331302231330} is an apocalyptic number.

1331302231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331302231330 is a deficient number, since it is larger than the sum of its proper divisors (1284720590558).

1331302231330 is a wasteful number, since it uses less digits than its factorization.

1331302231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003891.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1331302231330 its reverse (331322031331), we get a palindrome (1662624262661).

The spelling of 1331302231330 in words is "one trillion, three hundred thirty-one billion, three hundred two million, two hundred thirty-one thousand, three hundred thirty".